Switches schematics

Build a responsive circuit using a photo transistor to toggle a relay with a laser pointer, achieving over 10 volts and a rapid half-second response for precise control of lights and resistive loads under 3 amps.... [read more]

Build a responsive relay control system using a CD4013 flip-flop, enabling remote operation from multiple push buttons and perfect control of your circuits.... [read more]

Build a powerful relay control circuit using a MOSFET like the IRF530, IRFZ44, or IRFZ34. This innovative design charges a 100uF capacitor to 6 volts, instantly switching the MOSFET and relay for reliable operation. Achieve instant activation, eliminate switch debouncing, and control your relay with precision. Unlock limitless possibilities with this simple yet effective schematic.... [read more]

Build a reliable relay circuit with this innovative design, utilizing a 120 ohm relay coil and 2N3053 transistor to achieve consistent and responsive control. Maximize performance with a simple adjustment of 820 ohms, ensuring reliable toggling and consistent relay activation – perfect for your next project!... [read more]

Build a sophisticated pulse generator with precise 1-second delay control using two 555 timers. This innovative circuit design creates a reliable delay function, perfect for automating tasks and mastering electronic schematics.... [read more]

Build a responsive relay circuit with this 555 timer design, offering a large hysteresis range and minimizing false triggering. Discover how to implement a reset circuit for reliable operation and explore noise filtering techniques for automotive applications.... [read more]

Build powerful switching circuits with this innovative design, utilizing a 12-volt automotive lamp and IRFZ44 transistor. This schematic enables remote control of your loads with multiple momentary switches, creating dynamic and responsive systems for your projects.... [read more]

Build your own versatile electronic selector with the Elect. Sel. 8 circuit. This 8-switch system offers 8 independent relay controls, ideal for amplifiers, command systems, and digital circuits. Utilize LEDs for each switch and unleash your creative potential with this adaptable schematic.... [read more]

Energize and de-energize a relay instantly with this simple circuit using a CMOS 4013. Build this engaging schematic and control your relays with a single button, ideal for experimentation from 5 to 15 volts.... [read more]

Boost your relay switching with this powerful driver! This circuit amplifies relay sensitivity 100 times, enabling precise control of 2 SPDT relays. Ideal for driving 5A @ 230VAC relays, including reed relays, while utilizing a BC547 transistor. Build a robust and reliable switching solution today!... [read more]

Build a sophisticated, transformerless circuit capable of controlling 400W at 230V AC with this innovative design. This robust toggle switch circuit, utilizing a 4011 NAND gate and Triacs, offers a reliable and efficient solution for your projects. Unlock powerful control and design inspiration!... [read more]